All around the world, อัตตสิทธิ์ (อัตตสิทธิ์ 
) is a very rare masculine forename. The forename อัตตสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare male name. Much less frequently, อัตตสิทธิ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| อัตตสิทธิ์ | Thailand |